FrostDateCheck

Jameson, MO 64647 Frost Dates

Frost dates for Jameson, MO, ZIP 64647

Zone 6a

The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/21, about 184 frost-free days later.

Jameson sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

Zone 6a around Jameson has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jameson compares

Jameson's growing season runs about 184 days, ranking 23,691 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 945 of 1,129.

Learn more

local microclimates explains what one yard in Jameson can differ from the 64647 normal, and zone vs. frost date explains why Zone 6a and Jameson's frost date answer different questions.